On Tue, Dec 26, 2017 at 05:18:37PM +0100, Mark Kettenis wrote:
> A function to easily extract properties that are represented as a
> 64-bit integer. I'll be needing this in at least two little projects
> that I'm working on.
>
> ok?
ok patrick@
>
> P.S. Those two little projects are EFI Runtime Services and DVFS support.
>
> Index: dev/ofw/fdt.c
> ===================================================================
> RCS file: /cvs/src/sys/dev/ofw/fdt.c,v
> retrieving revision 1.21
> diff -u -p -r1.21 fdt.c
> --- dev/ofw/fdt.c 17 Nov 2017 20:30:43 -0000 1.21
> +++ dev/ofw/fdt.c 26 Dec 2017 16:15:55 -0000
> @@ -878,6 +878,19 @@ OF_getpropintarray(int handle, char *pro
> return len;
> }
>
> +uint64_t
> +OF_getpropint64(int handle, char *prop, uint64_t defval)
> +{
> + uint64_t val;
> + int len;
> +
> + len = OF_getprop(handle, prop, &val, sizeof(val));
> + if (len != sizeof(val))
> + return defval;
> +
> + return betoh64(val);
> +}
> +
> int
> OF_nextprop(int handle, char *prop, void *nextprop)
> {
> Index: dev/ofw/openfirm.h
> ===================================================================
> RCS file: /cvs/src/sys/dev/ofw/openfirm.h,v
> retrieving revision 1.14
> diff -u -p -r1.14 openfirm.h
> --- dev/ofw/openfirm.h 12 Mar 2017 11:44:42 -0000 1.14
> +++ dev/ofw/openfirm.h 26 Dec 2017 16:15:55 -0000
> @@ -50,6 +50,7 @@ int OF_getproplen(int handle, char *prop
> int OF_getprop(int handle, char *prop, void *buf, int buflen);
> uint32_t OF_getpropint(int handle, char *, uint32_t);
> int OF_getpropintarray(int, char *, uint32_t *, int);
> +uint64_t OF_getpropint64(int handle, char *, uint64_t);
> int OF_setprop(int, char *, const void *, int);
> int OF_nextprop(int, char *, void *);
> int OF_finddevice(char *name);
>
